R/get.chr.length.R

# The bedr package is copyright (c) 2014 Ontario Institute for Cancer Research (OICR)
# This package and its accompanying libraries is free software; you can redistribute it and/or modify it under the terms of the GPL
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get.chr.length <- function(chr = NULL, species = "human", build = "hg19") {

	file.name <- paste0("genomes/", species, ".", build, ".genome");

	file.name <- system.file(file.name, package = "bedr");

	x <- read.table(file.name, header = TRUE, sep = "\t", as.is = TRUE);
	
	if (!is.null(chr)) {
		x <- x[x$chr %in% chr,];
		}

	return(x)
	}

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bedr documentation built on May 2, 2019, 11:36 a.m.